CN102472908A - Input-function integrated liquid crystal display device and method for manufacturing same - Google Patents
Input-function integrated liquid crystal display device and method for manufacturing same Download PDFInfo
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- CN102472908A CN102472908A CN2010800251508A CN201080025150A CN102472908A CN 102472908 A CN102472908 A CN 102472908A CN 2010800251508 A CN2010800251508 A CN 2010800251508A CN 201080025150 A CN201080025150 A CN 201080025150A CN 102472908 A CN102472908 A CN 102472908A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0447—Position sensing using the local deformation of sensor cells
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- Crystallography & Structural Chemistry (AREA)
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- Optics & Photonics (AREA)
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Abstract
Disclosed is a compact and low-cost input-function integrated liquid crystal display device (that does not require extra parts for arranging a display unit and an input unit). Specifically disclosed is an input-function integrated liquid crystal display device which comprises a liquid crystal display panel including a pair of transparent substrates (1, 2) on each of which electrode portions (5) for liquid crystal display formed of transparent conductive films are formed and liquid crystal (3) held between the substrates. Electrode portions (9) for a projection capacitive sensor formed of the same transparent conductive films as the electrode portions (5) for liquid crystal display are formed on a surface of one of the pair of transparent substrates (1, 2) on a side on which the electrode portions (5) for liquid crystal display are formed.
Description
Technical field
The integrated liquid crystal indicator of input function that the present invention relates to utilize input function and being integrally formed of liquid crystal indicator of projection type capacitive transducer and possessed and the manufacturing approach of the integrated liquid crystal indicator of input function.
Background technology
All the time, display device is the device that separates separately with input media, generally input medias such as button is configured in the next door (for example, with reference to Figure 15) of display device.Figure 15 is a key diagram of representing to be provided with respectively the existing example of display device and input media.In existing example shown in Figure 15; Display device 70 is configured as independently different devices respectively with input media 71; Above-mentioned display device 70 comprises the liquid crystal panel that is made up of two transparency carriers, 81,82 holding liquid crystals 83, and above-mentioned input media 71 comprises and is provided with the transparency electrode 91 of sensor with electrode 89.
Yet, under situation as the autonomous device configuration, the space that between display device and input media, need be used to assemble stream oriented device, the problem that can cause area to increase.In addition; Under the situation of transversely arranged display device and input media; Since be difficult to make display part (being formed with the part of liquid crystal display) and importation (being formed with the part of sensor) with electrode 89 with electrode 85 near; Therefore, the existence problem that can not dispose continuously and must make two kinds of problems of installing and causing cost to raise respectively.
As reducing Method for Area, have transparent input media is installed in the method (for example, with reference to Figure 16) on the display device.Figure 16 is other existing routine key diagrams of representing to be provided with respectively display device and input media.In existing example shown in Figure 16; With input media 71 overlay configuration (visible side) on display device 70; Above-mentioned display device 70 comprises the liquid crystal panel that is made up of two transparency carriers, 81,82 holding liquid crystals 83, and above-mentioned input media 71 comprises and is provided with the transparency electrode 91 of sensor with electrode 89.
In addition, as transparent input media, propose to have resistive film mode, surface type capacitive way, projection type capacitive way, surface acoustic wave mode, light mode etc.Yet, even adopt transparent input media is installed in the method on the display device, also still be the problem that existence need be established input media and cost rising in addition.
In order to solve the problems referred to above that display device and input media are set respectively and produce, consider method with display device and being integrally formed of input media.
In patent documentation 1, put down in writing the method that display part and input part are made on same substrate.In addition, in patent documentation 1,, show the touch-screen of liquid crystal indicator and resistive film mode for example as embodiment.
In addition, in patent documentation 2, put down in writing and made TFT (Thin Film Transistor: the method for thin film transistor (TFT)) in the operation of the TFT of liquid crystal, also making the sensor of contact simultaneously.
In addition, in patent documentation 3,, thereby can realize having the method for the liquid crystal indicator of touch function through photoelectric sensor at the periphery of liquid crystal indicator (near the periphery that is equivalent to the demonstration of touch key-press) configuration detection light.
In addition, in patent documentation 4, record following method: promptly,, in surveyed area, form the testing circuit that capacitance detecting is used through forming image element circuit at display part, thus can be with display device and being integrally formed of input media.The thickness that also records liquid crystal layer according to finger apply that power changes, testing circuit is its method that detects as capacitance variations.
The prior art document
Patent documentation
Patent documentation 1: japanese patent laid-open 8-166574 communique
Patent documentation 2: Japanese Patent Laid is opened the 2001-42296 communique
Patent documentation 3: Japanese Patent Laid is opened the 2008-170837 communique
Patent documentation 4: Japanese Patent Laid is opened the 2009-3414 communique
Summary of the invention
Yet, as patent documentation 1 is put down in writing,,, require substrate can produce mechanically deform in order to carry out switch utilizing same substrate to make under the situation of display part of touch-screen and liquid crystal indicator of resistive film mode.That is the thickness that, needs the substrate of attenuate finger presses side.The problem that qualification rate reduces and corresponding cost raises that can cause thus, the volume production of liquid crystal indicator.
In addition; The method that patent documentation 2 and patent documentation 4 are put down in writing is also owing to be following method: promptly; The thickness of liquid crystal layer can apply power according to finger to be changed, and sensor detects it as capacitance variations, therefore; There is the problem identical: promptly, need the thickness of the substrate of attenuate finger presses side with patent documentation 1.
In addition; The method that patent documentation 3 is put down in writing is following method: promptly; When the demonstration that is equivalent to touch key-press was touched, output was because of all or part of extraneous light detected current value that is blocked, thereby detected touch location (having touched which touch key-press).Because photoelectric sensor can also detect the light of surrounding environment, therefore, must adjust the level of detection according to the brightness of environment, thereby, there is the problem that is difficult to set.
Therefore, the object of the present invention is to provide a kind of cheap, compact (need not unnecessary components and parts) the integrated liquid crystal indicator of input function and the manufacturing approach of the integrated liquid crystal indicator of input function in order to dispose display part and input part.
The integrated liquid crystal indicator of input function of the present invention is characterised in that; Be formed with electrode that the liquid crystal display that is made up of nesa coating uses respectively and be liquid crystal display and clip liquid crystal with a pair of transparency carrier of electrode; In a pair of transparency carrier arbitrary be formed with on the face of liquid crystal display with electrode, being formed with the electrode that utilizes the projection type capacitive transducer that constitutes with the same nesa coating of electrode with liquid crystal display to use is that the projection type capacitive transducer is used electrode.
In addition, the integrated liquid crystal indicator of input function also can on arbitrary substrate at least of a pair of transparency carrier, liquid crystal display is provided with the noise blocking-up with electrode and projection type capacitive transducer between with electrode and uses electrode.
In addition, the integrated liquid crystal indicator of input function also can be formed with on the zone of projection type capacitive transducer with electrode, implements to be used to make the observer to discern the printing that this zone is the fixedly demonstration of sensing station.
In addition; The integrated liquid crystal indicator of input function also can form as follows: promptly; The projection type capacitive transducer is formed on the position in the outside of the encapsulant of encapsulated liquid crystals with electrode, make be not formed with the projection type capacitive transducer with the transparency carrier of electrode form do not have with the projection type capacitive transducer with the relative position of electrode.
In addition, the projection type capacitive transducer of the integrated liquid crystal indicator of input function also can be to surround the shape of liquid crystal display with the part of electrode with electrode.
In addition, the integrated liquid crystal indicator of input function also can be configured to the projection type capacitive transducer near the part of liquid crystal display with the peripheral part of electrode with electrode.
The manufacturing approach of the integrated liquid crystal indicator of input function of the present invention is to be used for method that the integrated liquid crystal indicator of input function is made; The integrated liquid crystal indicator of this input function possesses: liquid crystal indicator; This liquid crystal indicator comprises liquid crystal panel, and this liquid crystal panel clips liquid crystal by to be formed with electrode that the liquid crystal display that is made up of nesa coating uses respectively be liquid crystal display with a pair of transparency carrier of electrode and constitutes; And the projection type capacitive transducer formula input media that forms as one with above-mentioned liquid crystal indicator; It is characterized in that; In forming the operation of liquid crystal display with electrode; In a pair of transparency carrier arbitrary be formed with on the face of liquid crystal display with electrode, being formed with the electrode that utilizes the projection type capacitive transducer that constitutes with the same nesa coating of electrode with liquid crystal display to use is that the projection type capacitive transducer is used electrode.
According to the present invention, the integrated liquid crystal indicator of input function of the compactness of cheapness can be provided.
Description of drawings
Fig. 1 is the vertical view of example that schematically shows the integrated liquid crystal indicator of input function of embodiment 1 of the present invention.
Fig. 2 is the cut-open view of structure example that schematically shows the integrated liquid crystal indicator of input function of embodiment 1.
Fig. 3 (a) and (b) are key diagrams of the example of the electrode wiring on each transparency carrier of the integrated liquid crystal indicator of input function of expression embodiment 1.
Fig. 4 is the cut-open view of example that schematically shows the integrated liquid crystal indicator of input function of embodiment 2 of the present invention.
Fig. 5 (a) and (b) are key diagrams of the example of the electrode wiring on each transparency carrier of the integrated liquid crystal indicator of input function of expression embodiment 2.
Fig. 6 is the cut-open view of other examples that schematically shows the integrated liquid crystal indicator of input function of embodiment 2.
Fig. 7 is the cut-open view of example that schematically shows the integrated liquid crystal indicator of input function of embodiment 3 of the present invention.
Fig. 8 is the vertical view of example that schematically shows the integrated liquid crystal indicator of input function of embodiment 3.
Fig. 9 is the cut-open view of other examples that schematically shows the integrated liquid crystal indicator of input function of embodiment 3.
Figure 10 is the vertical view of other examples that schematically shows the integrated liquid crystal indicator of input function of embodiment 3.
Figure 11 is the cut-open view of other examples that schematically shows the integrated liquid crystal indicator of input function of embodiment 4 of the present invention.
Figure 12 (a) and (b) are key diagrams of the example of the electrode wiring on each transparency carrier of the integrated liquid crystal indicator of input function of expression embodiment 4.
Figure 13 (a) and (b) are key diagrams of the example of the electrode wiring on each transparency carrier of the integrated liquid crystal indicator of input function of expression embodiment 5 of the present invention.
Figure 14 (a)～(d) is the key diagram of configuration example of sensor region of the integrated liquid crystal indicator of input function of expression embodiment 5.
Figure 15 is expression display device and input media conduct device and the key diagram of the existing example that constitutes separately.
Figure 16 is expression display device and input media conduct device and the key diagram of the existing example that constitutes separately.
Embodiment
Below, with reference to accompanying drawing, embodiment of the present invention is described.
Fig. 1 is the vertical view of the example of the integrated liquid crystal indicator of input function that schematically shows embodiment 1 of the present invention (below, abbreviate liquid crystal indicator as).In addition, Fig. 2 is the cut-open view that schematically shows the structure example of liquid crystal indicator shown in Figure 1.In Fig. 1 and liquid crystal indicator shown in Figure 2, possess and be respectively arranged with a pair of transparency carrier 1 of liquid crystal electrodes portion 5, accompanying the display panels of the structure of liquid crystal 3 between 2.In addition, liquid crystal 3 is sealed by each transparency carrier 1,2 and encapsulant 4.In addition, on the face in the outside of each transparency carrier 1,2, be respectively arranged with Polarizer 6.
Each transparency carrier the 1, the 2nd, for example glass substrate.Below, the transparency carrier 1 of display of visually side (being designated as visible side) is called visible side transparency carrier 1, the relative substrate with visible side transparency carrier 1 is that transparency carrier 2 is expressed as anti-visible side transparency carrier 2 sometimes.
Liquid crystal electrodes portion 5 is by nesa coating ITO (Indium Tin Oxide: the electrode that the liquid crystal display that tin indium oxide) forms is used and cabling thereof wiring for example.In example shown in Figure 2, the cabling of liquid crystal electrodes portion 5 wiring is that driving on the transparency carrier 2 is connected with IC7 with being arranged at glass substrate for example.In addition, driving is connected through (not shown) such as control basal plate of flexible base, board 8 with the transmission source that becomes view data with IC7.
In addition, the kind of the display panels of liquid crystal indicator does not have special qualification.For example, can be TN (Twisted Nematic: twisted-nematic) pattern, STN (Super-Twisted Nematic: supertwist is to row) pattern, film compensated STN pattern, DSTN pattern.In addition, also can be to use liquid crystal with negative dielectric constant anisotropy, at the display panels of the layout setting vertical alignment layer of liquid crystal and liquid crystal electrodes portion 5 (that is electrode forming layer).In addition, also can use any mode of active mode or passive mode, but, therefore, be preferred mode because the cost of passive mode is lower.
In addition, in this embodiment, with the visible side glass substrate be formed with liquid crystal display with the identical face of the face of electrode 5 on, be provided with the projection type capacitive transducer with electrode part 9.The projection type capacitive transducer is the electrodes that are used for the changes in capacitance measurement that produces when being provided with this projection type capacitive transducer with the position of electrode part 9 because of people's electric conductors such as finger is detected touch location with electrode part 9, utilizes the nesa coatings formation identical with liquid crystal electrodes portion 5.Thus, can in same operation, make.In addition, the projection type capacitive transducer is configured at least near the position of liquid crystal display with the part of the peripheral part of electrode part 5 with electrode part 9.
The projection type capacitive transducer is connected with IC (not shown) with the projection type capacitive transducer with electrode part 9.Near the projection type capacitive transducer during, between finger and projection type capacitive transducer are with electrode part 9, form electric capacity at finger with electrode part 9, by the projection type capacitive transducer with its variation of IC detection.Because it is approaching to detect finger according to capacitance variations, therefore, finger need not direct contact projection type capacitive transducer with electrode part 9.For example, be under the situation of glass substrate at visible side transparency carrier 1, can thickness be made as 0.3mm～3.0mm.
In addition; In Fig. 2; Show with the projection type capacitive transducer with electrode part 9 through flexible base, board 10 with the example that the projection type capacitive transducer is connected with substrate of IC etc. is installed; But, also can the projection type capacitive transducer be installed on the flexible base, board 10 with IC, or also can be installed on the visible side transparency carrier 1 with IC the projection type capacitive transducer or on the anti-visible side transparency carrier 2.
In addition; In Fig. 1 and Fig. 2, omitted the diagram backlight; But also can be provided with backlight; Make it not only shine the zone (liquid crystal display part) that is formed with liquid crystal electrodes portion 5, also irradiation is formed with the zone (projection type capacitive transducer portion) of projection type capacitive transducer with electrode part 9.
Fig. 3 (a) and (b) are key diagrams of the example of the electrode wiring on each transparency carrier of liquid crystal indicator of this embodiment of expression.In addition, Fig. 3 (a) is the key diagram of the electrode wiring example of expression visible side transparency carrier 1, and Fig. 3 (b) is the key diagram of the electrode wiring example of the anti-visible side transparency carrier 2 of expression.Fig. 3 (a) and (b) all are that expression is as the figure when visible side is observed.Thereby Fig. 3 (a) is a skeleton view.In this example, the electrode wiring face of the transparency carrier shown in Fig. 3 (a) and (b) is overlapped against each other.That is, as long as directly make visible side transparency carrier 1 laterally move to overlap with anti-visible side transparency carrier 2.Thus; The driving of lead division that becomes the electrode wiring of liquid crystal electrodes portion 5 is positioned at the left side of the transparency carrier 1 of Fig. 3 (a) with IC7, flexible base, board 8, and the projection type capacitive transducer is positioned at the right side of the transparency carrier 2 of Fig. 3 (b) with the lead division of the electrode wiring of electrode part 9.
In addition; In the example shown in Fig. 3 (a) and (b); Lead division and the projection type capacitive transducer of electrode wiring that liquid crystal electrodes portion 5 is set respectively be with the lead division of the electrode wiring of electrode part 9, but also can make above-mentioned electrode wiring carry out cabling to same position and drawn by a flexible base, board.In this example, the cabling wiring utilization that is arranged at the liquid crystal electrodes portion 5 of visible side transparency carrier 1 comprises the encapsulant 4 of conductive vias and is connected with cabling wiring on the anti-visible side transparency carrier 1.
Thus; According to this embodiment; Through liquid crystal electrodes portion 5 is formed on the same substrate with electrode part 9 with the projection type capacitive transducer; Thereby can liquid crystal display part and projection type capacitive transducer portion be configured in the position that is close, and can not increase component number, manufacturing process, just can make the integrated liquid crystal indicator of input function with lower cost.In addition; Preferably be not formed with the projection type capacitive transducer with the anti-visible side substrate 2 of electrode part 9, with the projection type capacitive transducer with the relative position of electrode part 9; Liquid crystal electrodes portion 5 is not set, makes to detect finger and projection type capacitive transducer more accurately with the electric capacity between the electrode part 9.
Next, embodiment 2 of the present invention is described.Fig. 4 is the cut-open view of the example of the liquid crystal indicator (the integrated liquid crystal indicator of input function) that schematically shows embodiment 2.As shown in Figure 4, in this embodiment, the noise blocking-up is set with electrode 11, be located at liquid crystal electrodes portion 5 and projection type capacitive transducer with between the electrode part 9.
Noise blocking-up with electrode 11 be cause applying voltage to liquid crystal electrodes portion 5 the projection type capacitive transducer with electrode part 9 under the situation of generation noise, be used to block the electrode of this noise, it is electrodes of ground connection that this noise is blocked with electrode 11.The noise blocking-up forms with the for example available ITO of electrode 11.
Fig. 5 (a) and (b) are key diagrams of the example of the electrode wiring on each transparency carrier of liquid crystal indicator of this embodiment of expression.In addition, Fig. 5 (a) is the key diagram (skeleton view) of the electrode wiring example of expression visible side transparency carrier 1, and Fig. 5 (b) is the key diagram of the electrode wiring example of the anti-visible side transparency carrier 2 of expression.Fig. 5 (a) and (b) are identical with Fig. 3 (a) and (b), all are that expression is as the figure when visible side is observed.Shown in Fig. 5 (a) and (b), noise blocking-up is formed on liquid crystal electrodes portion 5 and projection type capacitive transducer with between the electrode part 9 with electrode 11.In addition, only need be arranged on the noise blocking-up at least on any substrate in visible side transparency carrier 1 or the anti-visible side transparency carrier 2 with electrode 11 and get final product, but preferably are arranged on two substrates.
Fig. 6 is the key diagram (schematically cut-open view) of other examples that schematically shows the liquid crystal indicator of this embodiment.In this embodiment, as shown in Figure 6, also can the projection type capacitive transducer be formed on the anti-visible side transparency carrier 2 with electrode part 9.
Next, embodiment 3 of the present invention is described.Fig. 7 and Fig. 8 are the key diagrams of example of the liquid crystal indicator (the integrated liquid crystal indicator of input function) of expression embodiment 3.Fig. 7 is the cut-open view of example that schematically shows the liquid crystal indicator of this embodiment.Fig. 8 is the vertical view of example that schematically shows the liquid crystal indicator of this embodiment.
Like Fig. 7 and shown in Figure 8, in this embodiment, the face of the face side (visible side) of visible side transparency carrier 1, be provided with on the sensor region of projection type capacitive transducer with electrode part 9, be formed with BM printing (black masks printing) portion 12.For BM Printing Department 12, only need to implement to make the observer to discern should the zone to be the printing of the such fixedly demonstration of sensing station (tangible position) to get final product, be not limited to the black masks printing, also can be the printing of other colors.
If the liquid crystal indicator that the enforcement printing is wired on the liquid crystal panel main body, periphery is carried out such designs such as frame of shading, the operation that above-mentioned printing is carried out in then preferred utilization forms BM Printing Department 12.Under above-mentioned situation, can reduce process number.For other aspects, all with embodiment 1, embodiment 2 identical getting final product.
Fig. 9 is the cut-open view of other examples that schematically shows the liquid crystal indicator of this embodiment.As shown in Figure 9, the face that BM Printing Department 12 also can be formed at the rear side of visible side transparency carrier 2 is an electrode forming surface.
Figure 10 is the vertical view of other examples that schematically shows the liquid crystal indicator of this embodiment.In example shown in Figure 10, BM Printing Department 12 is in each sensor region, and implement the fixing hollow out that shows as icon circular.In this case, also can utilize each hollow-out parts of irradiation such as backlight, thereby indicate the control of touch location.
Next, embodiment 4 of the present invention is described.Figure 11 and Figure 12 (a) and (b) are key diagrams of example of the liquid crystal indicator (the integrated liquid crystal indicator of input function) of expression embodiment 4.Figure 11 is the cut-open view of example that schematically shows the liquid crystal indicator of this embodiment.Figure 12 (a) and (b) are key diagrams of the example of the electrode wiring on each transparency carrier of liquid crystal indicator of this embodiment of expression.In addition, Figure 12 (a) is the key diagram (skeleton view) of the electrode wiring example of expression visible side transparency carrier 1, and Figure 12 (b) is the key diagram of the electrode wiring example of the anti-visible side transparency carrier 2 of expression.Figure 12 (a) and (b) are identical with Fig. 3 (a) and (b), all are that expression is as the figure when visible side is observed.
In the liquid crystal indicator of this embodiment, the projection type capacitive transducer is formed on the outside of the encapsulant 4 of encapsulated liquid crystals with electrode part 9.In addition, for be not formed with the transparency carrier 2 of projection type capacitive transducer, form with electrode part 9 do not have with the projection type capacitive transducer with the relative part of electrode part 9.That is, the projection type capacitive transducer of visible side transparency carrier 1 is formed the shape outstanding with respect to anti-visible side transparency carrier 2 with the formation zone of electrode part 9, and, do not exist in the transparency carrier 2 with this to form regional region facing.In addition, for other aspects, all with embodiment 1～embodiment 3 identical getting final product.
With electrode part 9,, therefore, can reduce the fee of material of substrate for the projection type capacitive transducer even, also can obtain and the identical effect of above-mentioned each embodiment owing to do not exist and its region facing in the anti-visible side transparency carrier 2.
Next, embodiment 5 of the present invention is described.Figure 13 (a) and (b) are key diagrams of example of the liquid crystal indicator (the integrated liquid crystal indicator of input function) of expression embodiment 5.In addition, Figure 13 (a) is the key diagram (skeleton view) of the electrode wiring example of expression visible side transparency carrier 1, and Figure 13 (b) is the key diagram of the electrode wiring example of the anti-visible side transparency carrier 2 of expression.Figure 13 (a) and (b) are identical with Fig. 3 (a) and (b), all are that expression is as the figure when visible side is observed.
In this embodiment, in each sensor region, be formed with carry out liquid crystal display icon with electrode 5a, 5b.In addition, icon uses electrode 5a, 5b all to be the part of liquid crystal electrodes portion 5.For example, also can be used as the part of the liquid crystal electrodes portion 5 that public electrode drives, use electrode 5a and be formed with icon, the part of the liquid crystal electrodes portion 5 that drives as segment electrode is used electrode 5b and be formed with icon.
Figure 14 (a)～(d) be illustrate in certain sensor region, BM Printing Department 12, projection type capacitive transducer with electrode part 9, icon with electrode 5a (public electrode), icon key diagram with the configuration example of electrode 5b (segment electrode).Shown in Figure 14 (a)～(d), in this embodiment, as long as form the projection type capacitive transducer with electrode part 9; Make in each sensor region; Do not contact with electrode 5a, the existing zone of 5b (comprising its cabling wiring), and surround the zone (for example, coming the such shape of hollow out) that above-mentioned icon exists with electrode 5a, 5b (comprising its cabling wiring) with the shape of this zone+α (gap portion) with above-mentioned icon; That is, surround the part of icon with electrode.In addition, for other aspects, can be all identical with embodiment 1～embodiment 3.
Through icon being set with electrode 5a, 5b, thereby can utilize liquid crystal electrodes portion 5 is applied voltage and the liquid crystal drive controlled, come the hollow-out parts of the BM Printing Department 12 of each sensor region is shown control, therefore, can show more flexibly.
Industrial Application
The present invention can be applicable to preferably that hope will touch electric conductor and the input function that constitutes is arranged on the position near the viewing area of liquid crystal indicator.
Quote scope, accompanying drawing, and the full content of specification digest of instructions, claims of Japanese patent application 2009-193256 number of on August 24th, 2009 application here, be introduced into the content that discloses as instructions of the present invention.
Claims (7)
1. the integrated liquid crystal indicator of input function is characterized in that,
Be formed with electrode that the liquid crystal display that is made up of nesa coating uses respectively and be liquid crystal display and clip liquid crystal with a pair of transparency carrier of electrode,
In said a pair of transparency carrier arbitrary be formed with on the face of said liquid crystal display with electrode, being formed with the electrode that utilizes the projection type capacitive transducer that constitutes with the same nesa coating of electrode with said liquid crystal display to use is that the projection type capacitive transducer is used electrode.
2. the integrated liquid crystal indicator of input function as claimed in claim 1 is characterized in that,
On arbitrary substrate at least of a pair of transparency carrier, liquid crystal display is provided with the noise blocking-up with electrode and projection type capacitive transducer between with electrode and uses electrode.
3. according to claim 1 or claim 2 the integrated liquid crystal indicator of input function is characterized in that,
Be formed with on the zone of projection type capacitive transducer with electrode, implementing to be used to make the observer to discern the printing that this zone is the fixedly demonstration of sensing station.
4. like the integrated liquid crystal indicator of each described input function of claim 1 to 3, it is characterized in that,
The projection type capacitive transducer is formed on the position in the outside of the encapsulant of encapsulated liquid crystals with electrode,
Make be not formed with said projection type capacitive transducer with the transparency carrier of electrode form do not have with said projection type capacitive transducer with the relative position of electrode.
5. like the integrated liquid crystal indicator of each described input function of claim 1 to 4, it is characterized in that,
The projection type capacitive transducer is to surround the shape of liquid crystal display with the part of electrode with electrode.
6. like the integrated liquid crystal indicator of each described input function of claim 1 to 5, it is characterized in that,
The projection type capacitive transducer is configured near the part of liquid crystal display with the peripheral part of electrode with electrode.
7. the manufacturing approach of the integrated liquid crystal indicator of input function,
Be to be used for method that the integrated liquid crystal indicator of input function is made; The integrated liquid crystal indicator of this input function possesses: liquid crystal indicator; This liquid crystal indicator comprises liquid crystal panel, and this liquid crystal panel clips liquid crystal by to be formed with electrode that the liquid crystal display that is made up of nesa coating uses respectively be liquid crystal display with a pair of transparency carrier of electrode and constitutes; And with the projection type capacitive transducer formula input media that said liquid crystal indicator forms as one, it is characterized in that,
In forming the operation of liquid crystal display with electrode,
In said a pair of transparency carrier arbitrary be formed with on the face of said liquid crystal display with electrode, being formed with the electrode that utilizes the projection type capacitive transducer that constitutes with the same nesa coating of electrode with said liquid crystal display to use is that the projection type capacitive transducer is used electrode.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009193256A JP5221472B2 (en) | 2009-08-24 | 2009-08-24 | LCD with integrated input function |
| JP2009-193256 | 2009-08-24 | ||
| PCT/JP2010/064097 WO2011024728A1 (en) | 2009-08-24 | 2010-08-20 | Input-function integrated liquid crystal display device and method for manufacturing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102472908A true CN102472908A (en) | 2012-05-23 |
| CN102472908B CN102472908B (en) | 2015-04-08 |
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|---|---|---|---|
| CN201080025150.8A Expired - Fee Related CN102472908B (en) | 2009-08-24 | 2010-08-20 | Input-function integrated liquid crystal display device and method for manufacturing same |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8913202B2 (en) |
| JP (1) | JP5221472B2 (en) |
| CN (1) | CN102472908B (en) |
| WO (1) | WO2011024728A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104182101A (en) * | 2013-05-22 | 2014-12-03 | 群创光电股份有限公司 | Touch control display panel and touch control display device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120274602A1 (en) * | 2011-04-29 | 2012-11-01 | Qualcomm Mems Technologies, Inc. | Wiring and periphery for integrated capacitive touch devices |
| JP5855920B2 (en) * | 2011-12-01 | 2016-02-09 | シャープ株式会社 | Touch panel and electric device |
| KR102347852B1 (en) * | 2014-09-05 | 2022-01-06 | 삼성전자주식회사 | Touch screen panel, electronic notebook and mobile terminal |
| US10591764B2 (en) * | 2015-09-15 | 2020-03-17 | Boe Technology Group Co., Ltd. | Display device having a touch electrode in the peripheral area |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080238883A1 (en) * | 2007-03-28 | 2008-10-02 | Takashi Akiyama | Liquid crystal device |
| US20090096761A1 (en) * | 2007-10-12 | 2009-04-16 | Jong-Whan Cho | Display apparatus |
| CN101477420A (en) * | 2009-01-23 | 2009-07-08 | 友达光电股份有限公司 | Touch control type display panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08166574A (en) | 1994-12-13 | 1996-06-25 | Casio Comput Co Ltd | Display device |
| JP2001042296A (en) | 1999-07-30 | 2001-02-16 | Sony Corp | Liquid crystal display device |
| JP2007122326A (en) | 2005-10-27 | 2007-05-17 | Alps Electric Co Ltd | Input device and electronic apparatus using the input device |
| JP2008170837A (en) | 2007-01-15 | 2008-07-24 | Hitachi Displays Ltd | Liquid crystal display device |
| JP2008268889A (en) * | 2007-03-28 | 2008-11-06 | Citizen Holdings Co Ltd | Liquid crystal device |
| JP5243069B2 (en) | 2007-05-18 | 2013-07-24 | 株式会社ジャパンディスプレイウェスト | Display device and electronic device |
-
2009
- 2009-08-24 JP JP2009193256A patent/JP5221472B2/en not_active Expired - Fee Related
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2010
- 2010-08-20 CN CN201080025150.8A patent/CN102472908B/en not_active Expired - Fee Related
- 2010-08-20 WO PCT/JP2010/064097 patent/WO2011024728A1/en active Application Filing
-
2012
- 2012-02-14 US US13/396,105 patent/US8913202B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080238883A1 (en) * | 2007-03-28 | 2008-10-02 | Takashi Akiyama | Liquid crystal device |
| US20090096761A1 (en) * | 2007-10-12 | 2009-04-16 | Jong-Whan Cho | Display apparatus |
| CN101477420A (en) * | 2009-01-23 | 2009-07-08 | 友达光电股份有限公司 | Touch control type display panel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104182101A (en) * | 2013-05-22 | 2014-12-03 | 群创光电股份有限公司 | Touch control display panel and touch control display device |
Also Published As
| Publication number | Publication date |
|---|---|
| US8913202B2 (en) | 2014-12-16 |
| CN102472908B (en) | 2015-04-08 |
| JP5221472B2 (en) | 2013-06-26 |
| JP2011043753A (en) | 2011-03-03 |
| WO2011024728A1 (en) | 2011-03-03 |
| US20120139874A1 (en) | 2012-06-07 |
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